Initial Commit

Assets/Scripts/Systems/Items/InventorySystem.cs

@@ -0,0 +1,37 @@
+using Events;
+using Unity.Entities;
+
+namespace DefaultNamespace
+{
+	[UpdateInGroup(typeof(PresentationSystemGroup)), UpdateAfter(typeof(PlayerActionMapSystem))]
+	public class InventorySystem : ComponentSystem
+	{
+		protected override void OnUpdate()
+		{
+			Entities.WithAll<Slot>()
+				.ForEach(
+					(Entity entity, ref PlayerData player, ref PlayerInput input) =>
+					{
+						var inventoryDirtyFlag = false;
+						var inventory = EntityManager.GetBuffer<Slot>(entity);
+						for (var j = 0; j < inventory.Length; j++)
+						{
+							var slot = inventory[j];
+							if (slot.Item.Amount <= 0 && slot.Item.Item.IsValid)
+							{
+								slot.Item = new ItemData();
+								inventory[j] = slot;
+								inventoryDirtyFlag = true;
+							}
+						}
+
+						if (inventoryDirtyFlag)
+						{
+							PostUpdateCommands.PostEntityEvent<InventoryDirtyEventData>(EntityManager, entity);
+						}
+					});
+
+			PostUpdateCommands.RemoveEventComponents<InventoryDirtyEventData>(Entities);
+		}
+	}
+}